https://charmthirteen.com/blog Long-form writing from charmthirteen on AI systems, founder tools, and vibe coding. en-us https://charmthirteen.com/blog/epic-ai-vs-copilot-for-clinicians https://charmthirteen.com/blog/epic-ai-vs-copilot-for-clinicians Sun, 16 Aug 2026 00:00:00 GMT lex@charmthirteen.com (Lex Hamilton) A routing framework for clinicians: Epic AI handles anything touching the chart or billing, Microsoft Copilot handles everything outside it, and PHI never crosses the line. https://charmthirteen.com/blog/deleted-my-ai-team-summer-house https://charmthirteen.com/blog/deleted-my-ai-team-summer-house Sun, 02 Aug 2026 00:00:00 GMT lex@charmthirteen.com (Lex Hamilton) The reckless agent in Part 2 is me. What a cleanup utility deleted, what the off-machine governance vault saved, and why the fleet came back stronger. https://charmthirteen.com/blog/vibecheck-pressure-test-your-idea https://charmthirteen.com/blog/vibecheck-pressure-test-your-idea Wed, 08 Jul 2026 00:00:00 GMT lex@charmthirteen.com (Lex Hamilton) VibeCheck is an AI thinking partner that stress-tests your startup idea instead of cheering it on. Here is why I'm building it, and how it decides if an idea is worth building.